Home / 19,223.52-28,802.47-10,442.71

Finding the Fourth Proportional to 19,223.52, 28,802.47 and 10,442.71

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Solution

The fourth proportional to 19,223.52, 28,802.47 and 10,442.71 is: 15,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.52 : 28,802.47 = 10,442.71 : x
  2. Step 2: Convert to fraction form
    19,223.52/28,802.47 = 10,442.71/x
  3. Step 3: Cross multiply
    19,223.52x = 28,802.47 × 10,442.71
  4. Step 4: Simplify right side
    19,223.52x = 300,775,841.49
  5. Step 5: Solve for x
    x = 300,775,841.49/19,223.52
  6. Step 6: Final answer
    x = 15,646.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.